211404012984 has 48 divisors (see below), whose sum is σ = 572691210000. Its totient is φ = 70450936704.

The previous prime is 211404012947. The next prime is 211404013031. The reversal of 211404012984 is 489210404112.

211404012984 is a `hidden beast` number, since 21 + 140 + 401 + 2 + 98 + 4 = 666.

211404012984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54484 + ... + 652515.

It is an arithmetic number, because the mean of its divisors is an integer number (11931066875).

Almost surely, 2^211404012984 is an apocalyptic number.

211404012984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211404012984 is an abundant number, since it is smaller than the sum of its proper divisors (361287197016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211404012984 is a wasteful number, since it uses less digits than its factorization.

211404012984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711164 (or 711157 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 211404012984 in words is "two hundred eleven billion, four hundred four million, twelve thousand, nine hundred eighty-four".